I'm fulltime Clojure since 2014, and I can't say enough how happy I am. I find a lot of joy, every day, in my work as working with a LISP really fits with how my brain think.
The community is great and the language leaks through the people: you'll often find very pragmatic (even conservative) approaches.
If you are looking for some more testimonials, look no further than Uncle Bob [0] and Gene Kim [1], but there's several more results online.
Lately, I tried to "modernize" a little bit the Clojure course that I used, many years ago, to start, and you can find it at [2]: